private void createNewUnifiedSocialTaxReport(string identifier)
        {
            var instance = new UnifiedSocialTaxReport {
                IDName = identifier
            };

            Data.Identifiers.Add(identifier);
            Data.unifiedSocialTaxReports.Add(instance);
            Data.Instances.Add(instance);
        }
 private void changeForNewInstanceUnifiedSocialTax(string id, UnifiedSocialTaxReport instance)
 {
     unifiedSocialTaxReports.Remove(getUnifiedSocilTaxReportItemByID(id));
     unifiedSocialTaxReports.Add(instance);
 }